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CVE-2026-104103— Ludwig: Path traversal in dataset archive extraction allows arbitrary file write via symlink members

一分钟漏洞结论

影响对象
ludwig-ai ludwig
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Ludwig is a low-code framework for building custom LLMs, neural networks, and other AI models. Prior to 0.17.8, ludwig.datasets.archives.extract_archive() validated tar member names before calling TarFile.extractall() but did not validate symlink members or ha

CVSS 8.1 · High

影响版本矩阵 1

厂商产品 版本范围状态
ludwig-ai ludwig < 0.17.8 affected
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一、 漏洞 CVE-2026-104103 基础信息

漏洞信息

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Vulnerability Title
Ludwig: Path traversal in dataset archive extraction allows arbitrary file write via symlink members
来源: CVE Program / CVE List V5
Vulnerability Description
Ludwig is a low-code framework for building custom LLMs, neural networks, and other AI models. Prior to 0.17.8, ludwig.datasets.archives.extract_archive() validated tar member names before calling TarFile.extractall() but did not validate symlink members or hard-link members. A crafted archive could create a link that escaped the extraction directory and then write a later member through that link, placing attacker-controlled content at an arbitrary filesystem path with the extracting process's privileges. The same containment check used os.path.commonprefix, so a sibling path sharing the destination's character prefix could also pass. The dataset-loading path can download and extract configured archive URLs, but exploitation requires a user to process an archive from a source controlled or compromised by the attacker on supported Python 3.12 and 3.13 runtimes. Python 3.14 is not affected because its default tar data filter rejects escaping links. This issue is fixed in version 0.17.8.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
ludwig-ai ludwig < 0.17.8 -

二、漏洞 CVE-2026-104103 的公开POC

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三、漏洞 CVE-2026-104103 的情报信息

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CVE-2026-104103 补丁与修复 (1)

CVE-2026-104103 其他参考 (2)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-104103

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